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| Page | Author | Content | Tag |
| Kasia Biernacka and Marcin Gala | Caves above the clouds - international expedition to the Peña Castil – Tortorios – Moas – Uriellu area in the central massif of the Picos de Europa. Piedras Verdes (PC-26) final sump at -1165 m dived to depth of 22 m in a giant phreatic tube and continuing... Torca del Valle del Agua (VA-1), pushed from -544m to -806 m; leads remain for potential -1100 m. Ice choke in PC-31, near the summit of the Peńa Castil at altitude of 2300 m, opened its ice choke, but no progress. | Spain,Picos |
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| Kasia Biernacka | A Happy End of Akemabis - The author took part in an expedition organized by Franco Attolini, Gustavo Vela and Alan Warild to Sotano de Akemabis, Puebla, Mexico in March-April 2008. 17 cavers from Mexico, Spain, Australia, USA, Canada and Poland explored the deepest part of the cave. The bottom was reached at the depth of 1101 m and the cave is 3219 m long. There are other deep caves in the area and many opportunities. | Mexico |
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| Kasia Biernacka | Expedition to J2 - The author was one of six Polish cavers who took part in the 2009 expedition of "Proyecto Cheve", an international effort initiated and animated by Bill Stone for exploration of the deepest cave system in the western hemisphere. The main goal was to push through sumps at the bottom of J2 in hope of connecting it with Cheve into a cave that would surpass 2 km in depth, dry series bypassing sump. New galleries explored by the expedition seem to turn towards Cheve. Another cave named Last Bash was also explored. It could provide a bypass for the narrow entrance series in J2, but no connection was found. J2 is now 1222 m deep and 11017 m long. | Mexico |
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| Kasia Biernacka, Marcin Gala | From Russia with Love - expedition to J-2 cave - International team of 14 cavers, including 4 from Poland, continued exploration of J-2 system in Mexico in 2009. Exploration could begin only after two weeks of negotiation with local authorities. The main goal was to communicate Last Bash cave, discovered in 2005, with the main cave and thus secure a shorter and safer access to the final sump. The communication was attained in the expected place. Another goal was to explore an ascending branch before the final sump, found by Russian members of the former expedition. The series, dubbed From Russia with Love, does not seem to provide the desired bypass of the final sump. Diving equipment left at the final sump a year earlier was found suspended between projecting rocks up to 12 m above the sump, providing evidence of the water level rise during the wet season. | Mexico |